Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.
Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.
A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivo...
A new town doctor arrives at the same time as local Indians needprotection from troublemaking looter...
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...
Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hi...
A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) e...
Congo Bill is hired to locate an heiress lost somewhere in Africa.
An escaped criminal impersonates a Police Commissioner, causing no end of trouble to a determined Fe...
An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters i...
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious maske...
A police detective is caught up in a plot to steal two million dollars in bonds.
Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.
The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the go...
Buffalo Bill Cody battles a gang of outlaws secretly headed by an unscrupulous lawyer.
Roberts and Moore played an army scout and a pony express rider who come to the aid of settlers terr...
The heirs of Anton Benson are searching Bensonhurst for hidden gold; they are joined by a reporter, ...
Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a...
Pulp hero "The Spider" seeks to destroy all criminals. In this serialized adventure, he battles The...
Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.